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Sewerage or FSM? Sometimes both: ‘gradual sewering’ in Nairobi

Themes: Faecal sludge management Innovation Sanitation Sewerage
Countries: Kenya

Nairobi’s super-slum Kibera is criss-crossed by sewer mains. So why not simply connect latrines to the sewer? Unfortunately it’s not so simple, for various reasons including high costs. In partnership with Nairobi Water, WSUP has been developing a ‘gradual sewering’ approach that aims to bridge the gap between onsite and sewered sanitation. This note looks at experience to date.